| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 102207000 | Including activated generator | 25 |
| 20120291650 | Electro-Mechanical Fuze For A Projectile - The present invention describes an electronic fuze ( | 11-22-2012 |
| 20130014660 | METHOD FOR DETONATING AN UNEXPLODED MUNITION - A method for detonating an unexploded munition including: firing one or more munitions into an area without detonation; providing the one or more munitions with a power supply having a piezoelectric material for generating power from an induced vibration; inducing a vibration in the power supply of the one or more munitions to generate power; and generating a detonation signal from the generated power to detonate the one or more munitions. | 01-17-2013 |
| 20140060367 | GRAVITY DROPPED SMALL WEAPON ELECTRONIC SAFE ARM FUZE AND ENERGY HARVESTING DEVICE FOR POWER GENERATION ONBOARD GRAVITY DROPPED WEAPONS - A generator including: a member having a cable wound thereon, the cable having a free end; a spring for storing energy as the cable is unwound from the member by pulling on the free end; and an electromagnetic generator operatively connected to the member such that rotation of the member is transferred to an input side of the electromagnetic generator after the cable is unwound from the member and the stored energy in the spring turns the member. | 03-06-2014 |
| 20160169650 | MISSILE FUSE AND METHOD OF SUPPLYING ELECTRICAL ENERGY TO THE MISSILE FUSE | 06-16-2016 |
| 102208000 | Turbine | 1 |
| 20130081550 | MINIATURE SAFE AND ARM (S&A) MECHANISMS FOR FUZING OF GRAVITY DROPPED SMALL WEAPONS - A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe where the device includes: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release one or more of a stored and generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. The releasable connection can include: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe. | 04-04-2013 |
| 102209000 | Magnetic | 6 |
| 20100236440 | Methods and Apparatus For Mechanical Reserve Power Sources For Gun-Fired Munitions, Mortars, and Gravity Dropped Weapons - A power source including: a power generation device; a mass-spring unit having a mass and an elastic element operatively connected to the power generation device; and one or more retention fingers releasably engaged with the mass-spring unit for retaining the mass-spring unit in a position such that potential energy is stored therein and for releasing the potential energy upon occurrence of an event to generate electrical energy in the power generation device, the one or more retention fingers having a first end fixed at a base and a second end releasably engaged with the mass-spring unit. The occurrence of the event can be one or more of an acceleration and spinning of the base. Also disclosed is a power source having one or more retention fingers that are slidable with respect to a base such that the engagement of the first end is released upon a spinning of the base. | 09-23-2010 |
| 20100258020 | Power supplies for projectiles and other devices - A projectile including: at least one power consuming element, and a power supply which generates power from an acceleration of the projectile and supplies such power to the at least one power consuming element, the power supply including a device for storing potential energy upon the acceleration of the projectile and a device for converting the stored potential energy to electrical energy. Where the device for storing potential energy upon the acceleration of the projectile includes a movable mass and an energy storage device for storing energy upon the acceleration of the movable mass and the energy storage device is a chamber having a compressible fluid therein, the chamber being acted upon by the movable mass to reduce the volume of the chamber subsequent to acceleration of the movable mass. | 10-14-2010 |
| 20110041719 | Inertial Accumulator (IA) for onboard power supply of spinning and non-spinning projectiles and Directed Energy Projectiles - The Inertial Accumulators, which transform G-forces and/or rotational energy of a projectile into rotational energy of flywheel, store it and convert into electrical one to feed onboard electronics and/or high-energy emitter of Directed Energy Projectiles. | 02-24-2011 |
| 20120180680 | Inertially Operated Electrical Initiation Devices - An electrically initiated inertial igniter for a munition including: an electrical energy generating device configured to generate a voltage over a duration of an acceleration of the munition; an electrical storage device configured to receive a portion of the voltage over the duration; a circuit powered by the electrical energy generating device, the circuit configured to determine an all-fire condition based on both the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the electrical storage device; and an initiator, the circuit configured to activate the initiator by providing the predetermined accumulated voltage to the initiator when the all-fire condition is determined. | 07-19-2012 |
| 20120180681 | Inertially Operated Electrical Initiation Methods - A method for electrically initiating an inertial igniter for a munition. The method including: generating a voltage over a duration of an acceleration of the munition; directing a portion of a charge resulting from the voltage and duration to an electrical storage device on board the munition; determining by a circuit, whether the acceleration experienced by the munition is an all-fire condition based on both the voltage and duration of voltage generation and a predetermined accumulated voltage of the electrical storage device; and providing the predetermined accumulated voltage to an initiator when the all-fire condition is determined. | 07-19-2012 |
| 20120180682 | Inertially Operated Electrical Initiation Devices - An electrical igniter for a munition. The igniter including: a magnet and coil wherein the magnet is configured for substantially repetitive motion in proximity to the coil to generate a voltage over a duration responsive to an acceleration of the munition; an electrical storage device configured to receive a portion of the voltage over the duration; and a circuit powered by the voltage, the circuit configured to determine an all-fire condition based on both the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the electrical storage device. | 07-19-2012 |
| 102210000 | Piezoelectric crystal | 14 |
| 20090013891 | Electrically Initiated Inertial Igniters for Thermal Batteries and the Like - A method for electrically initiating an inertial igniter for a munition is provided. The method including: generating electrical power upon a firing acceleration of the munition: powering circuitry on board the munition with the generated electrical power; and electrically determining, at the circuitry, whether an acceleration profile experienced by the munition is an all-fire condition. | 01-15-2009 |
| 20110168046 | ENERGY HARVESTING POWER SOURCES FOR GENERATING A TIME-OUT SINGAL FOR UNEXPLODED MUNITIONS - A method is provided for detecting a target impact of a munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from a vibration induced by the munition; monitoring an output from the power supply; and determining whether the output of power from the power supply has dropped below a predetermined threshold. | 07-14-2011 |
| 20120012020 | IGNITION AND DELAY CIRCUIT - An ignition and delay circuit of an ammunition unit for time controlled delay of the initiation of an electric blasting cap. The ignition and delay circuit includes a piezo electric device generating electrical energy when hitting a target. An energy storing device stores the energy generated by the piezo electric device. A delay device supplied by the energy storing device and controlling the initiation of the electric blasting cap. A programmable micro processor is provided supplied by the energy storing device and arranged to control the delay of the initiation in dependence of at least the type of ammunition in question. | 01-19-2012 |
| 20120204747 | INTEGRATED POWER SOURCE AND SAFETY MECHANISMS FOR SUBMUNITIONS SELF-DESTRUCT FUZE AND THE LIKE - A method for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile is provided. The method including: using a firing acceleration of the projectile to deform at least one elastic element to store mechanical energy in the elastic element; converting the stored mechanical energy to electrical energy; and providing the electrical energy at least indirectly to the self destruct fuze for detonation of the self destruct fuze. Alternatively, the firing acceleration can lock the elastic element in the deformed position and an expulsion acceleration of the submunitions from the projectile can be used to unlock the elastic element and convert the stored mechanical energy to electrical energy. | 08-16-2012 |
| 20120210896 | Electrically Initiated Inertial Igniters for Thermal Batteries and the Like - A method for electrically initiating an inertial igniter for a munition. The method including: providing an electrical energy generating device to generate a voltage over a duration responsive to an acceleration of the munition; providing a first electrical storage device connected to the electrical energy generating device through a voltage divide circuit to receive a portion of the voltage over the duration; providing a second electrical storage device connected to the electrical energy generating device to accumulate the voltage; and providing a circuit powered by a connection to the electrical energy generating device, the circuit determining an all-fire condition based on both a connection to the first electrical storage device that receives the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the second electrical storage device. | 08-23-2012 |
| 20130145948 | Methods and Devices For Enabling Safe/Arm Functionality Within Gravity Dropped Small Weapons Resulting From a Relative Movement Between the Weapon and a Rack Mount - A method for determining one or more of an impact level and direction of a weapon as it strikes a target. The method including: providing an elastic element in the weapon; providing a piezoelectric member attached to the elastic element such that elongation and/or depression of the elastic element will generate an electrical power output from the piezoelectric member; and determining the impact level based on the output of the piezoelectric member. | 06-13-2013 |
| 20130167746 | Methods and Devices For Enabling Safe/Arm Functionality Within Gravity Dropped Small Weapons Resulting From a Relative Movement Between the Weapon and a Rack Mount - A device for enabling safe/arm functionality in a gravity dropped weapon. The device including: a rack for attaching the weapon to an airframe; an elastic element disposed in the weapon; a releasable connection between the weapon and the airframe to release a stored energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the stored energy to an electrical energy. | 07-04-2013 |
| 20130340642 | MUNITION HAVING DETONATION TIME-OUT CIRCUITRY - A munition including: a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; a processor operatively connected to the power supply for initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time. | 12-26-2013 |
| 20140076186 | MINIATURE SAFE AND ARM (S&A) MECHANISMS FOR FUZING OF GRAVITY DROPPED SMALL WEAPONS - A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe. The device including: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release a stored and/or generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. Wherein the releasable connection includes: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe. | 03-20-2014 |
| 20140109789 | METHOD FOR DETONATING AN UNEXPLODED MUNITION - A method for generating a time-out signal for an unexploded munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; and initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time. | 04-24-2014 |
| 20140202350 | Inertially Operated Piezoelectric Energy Harvesting Electronic Circuitry - An electrical energy harvesting device for harvesting electrical energy from a pulsed impact loading event. The device including: a piezoelectric element configured to be loaded and unloaded to a first load level by the pulsed impact loading event; and a first inductor coupled to the piezoelectric element configured to be loaded and unloaded to a second load level by the pulsed impact loading event, wherein the piezoelectric element and the first inductor together operate as a first inductor/capacitor (LC) resonant circuit having a first resonance frequency and wherein the loading of the first inductor lags in time the loading of the piezoelectric element. | 07-24-2014 |
| 20150040787 | DYNAMIC IGNITION AND IGNITION DELAY MULTI-MODE FUSE SYSTEM - A multi-mode fuse system for use in a warhead for combating a target. At least one target sensor is electrically connected to a signal processing block and an I/O-block. The I/O-block is configured to be set by the operator of the warhead. The target sensor is adapted to generate an electrical output in response to the rate of deceleration of the warhead. The fuse system is adapted to discriminate the hardness of the target based upon the electrical output of the target sensor and to select the mode of operation depending upon the target discrimination. The fuse system is adapted to discriminate at least one type of target depending upon the electrical output of the target sensors. The fuse system selects one of at least three modes of operation of the warhead. Also a method for classifying the target hardness and selection of the operational mode of a warhead. | 02-12-2015 |
| 20150377599 | Electro-Mechanical Fuze For A Projectile - The present invention describes an electronic fuze operable to complement a mechanical point impact fuze. The electronic fuze includes a voltage generator circuit, micro-controller, a piezo-electric sensor, a firing circuit and a safety lockout circuit. When a projectile strikes a target at an optimum angle, the mechanical point impact fuze is activated; when the strike angle is oblique, the mechanical point impact fuze may be ineffective but the piezo-electric sensor is operable to trigger the firing circuit. The safety lockout circuit ensures the firing circuit is operative only after a predetermined delay time when an n-channel FET is turned OFF. The micro-controller also generates a TIME-OUT signal, which provides for self-destruction of a projectile that has failed to explode. | 12-31-2015 |
| 20160377403 | Method For Providing Electrical Energy To A Self-Destruct Fuze For Submunitions Contained in a Projectile - A method for providing electrical energy in a projectile upon an expulsion acceleration of the projectile. The method including: using a firing acceleration of the projectile to deform at least one elastic element to store mechanical energy in the elastic element; locking the elastic element in the deformed position; and unlocking the elastic element due to the expulsion acceleration to vibrate the at least one elastic element and apply a cyclic force to at least one piezoelectric element to convert the stored mechanical energy to electrical energy. | 12-29-2016 |
